2243215 has 8 divisors (see below), whose sum is σ = 2899008. Its totient is φ = 1656480.

The previous prime is 2243209. The next prime is 2243221. The reversal of 2243215 is 5123422.

2243215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2243209) and next prime (2243221).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2243215 - 2³ = 2243207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243192 and 2243201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17191 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (362376).

2^2243215 is an apocalyptic number.

2243215 is a deficient number, since it is larger than the sum of its proper divisors (655793).

2243215 is a wasteful number, since it uses less digits than its factorization.

2243215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34529.

The product of its digits is 480, while the sum is 19.

The square root of 2243215 is about 1497.7366257123. The cubic root of 2243215 is about 130.9052205675.

Adding to 2243215 its reverse (5123422), we get a palindrome (7366637).

The spelling of 2243215 in words is "two million, two hundred forty-three thousand, two hundred fifteen".